2604738 has 16 divisors (see below), whose sum is σ = 5308416. Its totient is φ = 851760.

The previous prime is 2604737. The next prime is 2604739. The reversal of 2604738 is 8374062.

It is an interprime number because it is at equal distance from previous prime (2604737) and next prime (2604739).

It is not an unprimeable number, because it can be changed into a prime (2604731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3778 + ... + 4413.

It is an arithmetic number, because the mean of its divisors is an integer number (331776).

2^2604738 is an apocalyptic number.

2604738 is an abundant number, since it is smaller than the sum of its proper divisors (2703678).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2604738 is a wasteful number, since it uses less digits than its factorization.

2604738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8249.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 2604738 is about 1613.9200723704. The cubic root of 2604738 is about 137.5903626408.

The spelling of 2604738 in words is "two million, six hundred four thousand, seven hundred thirty-eight".